WhereCall is here to provide you with the most information on the area code 310, located in CALIFORNIA.

NPA Information
Area Code (NPA) 310
In Jeopardy? No
Is Assigned? Yes
Assignment Date 31 Aug 1990
In Service? Yes
In Service Date 02 Nov 1991
Parent NPA 213
Overlay Yes
Overlay Complex
Predominant Timezone(s) UTC-08:00

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